The Tale of Truthwater Lake - 'Absolutely gorgeous.' Hilary McKay

It's beautiful here, and eerie, a lost kingdom, a ghost village... It's the near-future and Britain is having yet another heatwave. For Polly, it's the sort of heat that makes her do wild, out-of-character things just to cool down. Essential when she and her brother have been sent to their aunt's eco lake-side house for the summer.